Manual screen printing machine with adjustable table top

Abstract

The utility model relates to the technical field of screen printing machines, in particular to a table-board-adjustable manual screen printing machine which comprises a base, a supporting table is placed on the top of the base, fixing mechanisms are installed on the front side and the rear side of the top of the base respectively, a table board is installed on the top of the supporting table, and an adjusting mechanism is installed on the left side of the top of the base. The adjusting mechanism comprises a connecting block, a fixed rotating mechanism is installed on the surface of the connecting block, the fixed rotating mechanism comprises a frame, a silk screen plate is placed at the bottom of an inner cavity of the frame, and a scraping mechanism is installed on the surface of the silk screen plate. Through cooperation of the connecting frame, the guide rod, the short block, the fourth lead screw, the fourth nut, the U-shaped block and the scraper, the silk screen printing device has the advantage of being capable of improving the silk screen printing effect and quality, the guide rod is pulled in a reciprocating mode to enable the short block, the fourth lead screw, the U-shaped block and the scraper to move, the bottom of the scraper makes contact with a silk screen plate to conduct scraping back and forth, and the silk screen printing quality is improved.

Description

Technical Field

[0001] This utility model relates to the field of screen printing machine technology, specifically to a manual screen printing machine with an adjustable table. Background Technology

[0002] Manual screen printing machines are compact and convenient, making them particularly suitable for the trial production of new products in research institutes and pilot production centers, as well as for the small-batch, multi-variety production in some electronics factories. They are economical and easy to use, making them one of the indispensable small tools in electronics production.

[0003] Research and analysis have revealed that manual screen printing machines still have the following drawbacks to some extent.

[0004] For example, once the substrate is fixed, it is often impossible to make fine adjustments, which makes it difficult to make timely adjustments when errors occur before screen printing. This is not conducive to the operation and use of the machine by the staff, and the effect and quality of screen printing cannot be improved by using a squeegee. In order to solve the above technical problems, we have designed a manual screen printing machine with an adjustable table. Utility Model Content

[0005] The purpose of this utility model is to provide a manual screen printing machine with an adjustable table, which has the advantages of adjustable table and improved screen printing quality through squeegee operation. It solves the problem that after the substrate is fixed, most machines cannot be finely adjusted, which is not conducive to the operation of the staff, and the screen printing effect and quality cannot be improved by squeegee operation.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a manual screen printing machine with an adjustable tabletop, comprising a base, a support platform placed on the top of the base, fixing mechanisms installed on both the front and rear sides of the top of the base, a tabletop installed on the top of the support platform, an adjustment mechanism installed on the left side of the top of the base, the adjustment mechanism comprising a connecting block, a fixing and rotating mechanism installed on the surface of the connecting block, the fixing and rotating mechanism comprising a frame, a screen printing plate placed at the bottom of the inner cavity of the frame, a scraping mechanism installed on the surface of the screen printing plate, and a counterweight mechanism installed on the left side of the frame.

[0007] Preferably, the fixing mechanism includes a fixing block, the bottom of which is welded to the top of the base, a nut is fixedly embedded on one side of the fixing block, a lead screw is threadedly connected to the inner wall of the nut, a stop plate is welded to one end of the lead screw, and a handwheel is welded to the other end of the lead screw.

[0008] Preferably, the adjusting mechanism includes a second lead screw, the bottom end of which is welded to the left side of the top of the base. A second nut is threaded onto the surface of the second lead screw. The connecting block is movably sleeved on the surface of the second lead screw. A fixing knob is threaded onto the surface of the second lead screw. The second nut is located at the bottom of the connecting block, and the fixing knob is located at the top of the connecting block.

[0009] Preferably, the fixed rotating mechanism includes a movable plate, the left end of which is rotatably connected to the right end of the connecting block via a rotating shaft, the right side of the connecting block is welded to the left side of the frame, a nut three is fixedly embedded in the top of the frame, a screw three is threadedly connected to the inner wall of the nut three, a pressure plate is welded to the bottom end of the screw three, and a handwheel two is welded to the top end of the screw three.

[0010] Preferably, the scraping mechanism includes a connecting frame, the left side of which is fixedly connected to the right side of the frame. Guide rods are slidably provided on both the front and rear sides of the right side of the connecting frame. A short block is welded to the left end of the guide rod. A lead screw is movably provided through the top of the short block. Nuts are threaded onto the surfaces of both ends of the lead screw. A U-shaped block is welded to the bottom end of the lead screw. A scraper is fixedly connected to the inner cavity of the U-shaped block by screws.

[0011] Preferably, the counterweight mechanism includes a diagonal bar, the right end of which is fixedly connected to the left side of the frame, a circular plate welded to the left end of the diagonal bar, a counterweight block slidably sleeved on the surface of the diagonal bar, a spring 1 movably sleeved on the surface of the left end of the diagonal bar, the left end of the spring 1 being welded to the right side of the circular plate, and a spring 2 movably sleeved on the surface of the right end of the diagonal bar, the right end of the spring 2 being fixedly connected to the surface of the right end of the diagonal bar.

[0012] Preferably, a handle is welded to the right end of the guide rod, a slider is welded to the surface of the left end of the guide rod, and guide holes adapted to the slider are provided on both the front and back of the connecting frame.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] 1. This utility model, through the cooperation of a fixing block, nut one, lead screw one, abutment plate, handwheel one, lead screw two, nut two, connecting block, and fixing knob, has the advantage of being able to adjust the position of the table and the screen plate, making it suitable for different models. When the position of the table needs to be adjusted, turn handwheel one to rotate and move lead screw one, so that the abutment plate is disengaged from the support platform. Then move the support platform and fix it. When the height of the screen plate needs to be adjusted, when it needs to be moved upward, first turn the fixing knob to move it upward, then move the connecting block upward, and then turn nut two to move it upward to fix it. To move it downward, simply reverse the operation.

[0015] 2. This utility model, through the cooperation of the movable plate, frame, nut three, screw three, pressure plate and handwheel two, has the advantage of being able to quickly fix the wire mesh plate. At the same time, it can fix and rotate wire mesh plates of different specifications. When it is necessary to replace the wire mesh plate, turn the handwheel two to make the screw three rotate and move upward, thereby making the pressure plate move upward and detach from the wire mesh plate, so that it can be removed. The operation is reversed during installation.

[0016] 3. This utility model, through the cooperation of the connecting frame, guide rod, short block, lead screw, nut, U-shaped block and scraper, has the advantage of improving the effect and quality of screen printing. The reciprocating pull of the guide rod causes the short block, lead screw, U-shaped block and scraper to move. The bottom of the scraper contacts the screen plate and scrapes back and forth, improving the quality of screen printing.

[0017] 4. This utility model, through the cooperation of the inclined rod, circular plate, counterweight, spring one and spring two, enables convenient operation of the screen printing plate. When the screen printing plate is rotated open, the counterweight moves to the left and descends on the inclined rod, providing a certain pressure so that the rotated screen printing plate will not be closed by gravity. At the same time, when closing the screen printing, the counterweight moves to the right and rises, preventing the screen printing plate from rotating open. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a left-side stereoscopic view of the present invention;

[0020] Figure 3 This utility model Figure 1 Enlarged diagram of A in the middle;

[0021] Figure 4 This utility model Figure 2 Enlarged diagram of B in the middle;

[0022] Figure 5 This is a three-dimensional schematic diagram of the guide rod and scraper of this utility model.

[0023] In the diagram: 1. Base; 2. Support platform; 3. Fixing mechanism; 31. Fixing block; 32. Nut 1; 33. Lead screw 1; 34. Support plate; 35. Handwheel 1; 4. Tabletop; 5. Adjusting mechanism; 51. Lead screw 2; 52. Connecting block; 53. Nut 2; 54. Fixing knob; 6. Fixing rotation mechanism; 61. Movable plate; 62. Frame; 63. Nut 3; 64. Lead screw 3; 65. Pressure plate; 66. Handwheel 2; 7. Wire mesh plate; 8. Scraping mechanism; 81. Connecting frame; 82. Guide rod; 83. Short block; 84. Lead screw 4; 85. Nut 4; 86. U-shaped block; 87. Scraper; 9. Counterweight mechanism; 91. Diagonal bar; 92. Circular plate; 93. Counterweight block; 94. Spring 1; 95. Spring 2; 10. Handle; 11. Slider. Detailed Implementation

[0024] Please see Figures 1-5 A manual screen printing machine with an adjustable tabletop includes a base 1, a support platform 2 placed on top of the base 1, fixing mechanisms 3 installed on the front and rear sides of the top of the base 1, a tabletop 4 installed on top of the support platform 2, an adjustment mechanism 5 installed on the left side of the top of the base 1, the adjustment mechanism 5 includes a connecting block 52, a fixing and rotating mechanism 6 installed on the surface of the connecting block 52, the fixing and rotating mechanism 6 includes a frame 62, a screen printing plate 7 placed at the bottom of the inner cavity of the frame 62, a scraping mechanism 8 installed on the surface of the screen printing plate 7, and a counterweight mechanism 9 installed on the left side of the frame 62.

[0025] Please see Figure 1 and Figure 2 The fixing mechanism 3 includes a fixing block 31. The bottom of the fixing block 31 is welded to the top of the base 1. A nut 32 is fixedly embedded on one side of the fixing block 31. A lead screw 33 is threadedly connected to the inner wall of the nut 32. A stop plate 34 is welded to one end of the lead screw 33. A handwheel 35 is welded to the other end of the lead screw 33. By setting the handwheel 35, it is convenient to apply force to rotate the lead screw 33, making it more convenient and labor-saving when rotating.

[0026] Please see Figure 1 and Figure 2 The adjusting mechanism 5 includes a second lead screw 51, the bottom end of which is welded to the left side of the top of the base 1. A second nut 53 is threaded on the surface of the second lead screw 51. A connecting block 52 is movably sleeved on the surface of the second lead screw 51. A fixing knob 54 is threaded on the surface of the second lead screw 51. By setting the fixing knob 54, the adjusted connecting block 52 is fixed, thereby preventing it from moving upward when the wire mesh plate 7 rotates. The second nut 53 is located at the bottom of the connecting block 52, and the fixing knob 54 is located at the top of the connecting block 52.

[0027] Please see Figure 1 and Figure 3 The fixed rotating mechanism 6 includes a movable plate 61. The left end of the movable plate 61 is rotatably connected to the right end of the connecting block 52 via a rotating shaft. The right side of the connecting block 52 is welded to the left side of the frame 62. A nut 63 is fixedly embedded in the top of the frame 62. A lead screw 64 is threadedly connected to the inner wall of the nut 63. A pressure plate 65 is welded to the bottom end of the lead screw 64. By setting the pressure plate 65, the contact area between the lead screw 64 and the wire mesh plate 7 is increased, making the wire mesh plate 7 more stable. A handwheel 66 is welded to the top of the lead screw 64. By setting the handwheel 66, it is convenient to apply force to rotate the lead screw 64, making it more convenient and labor-saving when rotating.

[0028] Please see Figure 1 , Figure 3 and Figure 5 The scraping mechanism 8 includes a connecting frame 81. The left side of the connecting frame 81 is fixedly connected to the right side of the frame 62. Guide rods 82 are slidably installed on both the front and rear sides of the right side of the connecting frame 81. A short block 83 is welded to the left end of the guide rod 82. A lead screw 84 is movably installed through the top of the short block 83. Nuts 85 are threaded on both ends of the lead screw 84. By setting the lead screw 84 and nuts 85, the position of the U-shaped block 86 and the scraper 87 can be adjusted. The distance between the scraper 87 and the screen plate 7 can be adjusted to adjust the screen printing parameters. A U-shaped block 86 is welded to the bottom end of the lead screw 84. The scraper 87 is fixedly connected to the inner cavity of the U-shaped block 86 by screws.

[0029] Please see Figure 2 and Figure 4 The counterweight mechanism 9 includes a diagonal bar 91. The right end of the diagonal bar 91 is fixedly connected to the left side of the frame 62. A circular plate 92 is welded to the left end of the diagonal bar 91. A counterweight block 93 is slidably sleeved on the surface of the diagonal bar 91. A spring 94 is movably sleeved on the surface of the left end of the diagonal bar 91. The left end of the spring 94 is welded to the right side of the circular plate 92. A spring 95 is movably sleeved on the surface of the right end of the diagonal bar 91. By setting the spring 94 and the spring 95, the counterweight block 93 is buffered, reducing the impact force of the counterweight block 93 on the diagonal bar 91. The right end of the spring 95 is fixedly connected to the surface of the right end of the diagonal bar 91.

[0030] Please see Figure 5 A handle 10 is welded to the right end of the guide rod 82, and a slider 11 is welded to the surface of the left end of the guide rod 82. Guide holes that are compatible with the slider 11 are opened on both the front and back of the connecting frame 81.

[0031] In use, when the position of the tabletop 4 needs to be adjusted, turn handwheel 35 to rotate and move lead screw 33, causing the abutment 34 to disengage from the support platform 2. Then move the support platform 2 and fix it. When the height of the wire mesh plate 7 needs to be adjusted, to move it upward, first turn the fixing knob 54 upward, then move the connecting block 52 upward, and then turn the nut 53 upward to fix it. To move it downward, simply reverse the operation. When the wire mesh plate 7 needs to be replaced, turn handwheel 66 to rotate and move lead screw 64 upward. Move the pressure plate 65 upwards to detach it from the screen printing plate 7, and it can be removed. Reverse the operation during installation. Pull the guide rod 82 back and forth to move the short block 83, lead screw 84, U-shaped block 86, and scraper 87. The bottom of the scraper 87 contacts the screen printing plate 7 and scrapes back and forth, improving the quality of the screen printing. When the screen printing plate 7 rotates to open, the counterweight 93 moves to the left and descends on the inclined rod 91, applying a certain pressure so that the rotated screen printing plate 7 will not be closed by gravity. Simultaneously, when closing the screen printing, the counterweight 93 moves to the right and rises, preventing the screen printing plate 7 from rotating and opening.

[0032] In summary, this adjustable-table manual screen printing machine, through the cooperation of base 1, support platform 2, fixing mechanism 3, table 4, adjustment mechanism 5, fixing and rotating mechanism 6, screen plate 7, scraping mechanism 8 and counterweight mechanism 9, solves the problem that after the substrate is fixed, fine-tuning is mostly not possible, which is not conducive to the operation of the staff, and the screen printing effect and quality cannot be improved by scraping operation.

Claims

1. A manual screen printing machine with an adjustable tabletop, comprising a base (1), characterized in that: A support platform (2) is placed on the top of the base (1). Fixing mechanisms (3) are installed on both the front and rear sides of the top of the base (1). A tabletop (4) is installed on the top of the support platform (2). An adjustment mechanism (5) is installed on the left side of the top of the base (1). The adjustment mechanism (5) includes a connecting block (52). A fixing and rotating mechanism (6) is installed on the surface of the connecting block (52). The fixing and rotating mechanism (6) includes a frame (62). A wire mesh plate (7) is placed at the bottom of the inner cavity of the frame (62). A scraping mechanism (8) is installed on the surface of the wire mesh plate (7). A counterweight mechanism (9) is installed on the left side of the frame (62).

2. The adjustable-table manual screen printing machine according to claim 1, characterized in that: The fixing mechanism (3) includes a fixing block (31), the bottom of which is welded to the top of the base (1). A nut (32) is fixedly embedded on one side of the fixing block (31), and a screw rod (33) is threadedly connected to the inner wall of the nut (32). A stop plate (34) is welded to one end of the screw rod (33), and a handwheel (35) is welded to the other end of the screw rod (33).

3. The adjustable-table manual screen printing machine according to claim 1, characterized in that: The adjusting mechanism (5) includes a lead screw (51), the bottom end of which is welded to the left side of the top of the base (1). A nut (53) is threaded onto the surface of the lead screw (51). A connecting block (52) is movably fitted onto the surface of the lead screw (51). A fixing knob (54) is threaded onto the surface of the lead screw (51). The nut (53) is located at the bottom of the connecting block (52), and the fixing knob (54) is located at the top of the connecting block (52).

4. The adjustable-table manual screen printing machine according to claim 1, characterized in that: The fixed rotating mechanism (6) includes a movable plate (61). The left end of the movable plate (61) is rotatably connected to the right end of the connecting block (52) via a rotating shaft. The right side of the connecting block (52) is welded to the left side of the frame (62). A nut three (63) is fixedly embedded in the top of the frame (62). A screw three (64) is threadedly connected to the inner wall of the nut three (63). A pressure plate (65) is welded to the bottom end of the screw three (64). A handwheel two (66) is welded to the top end of the screw three (64).

5. A manual screen printing machine with an adjustable table as described in claim 1, characterized in that: The scraping mechanism (8) includes a connecting frame (81). The left side of the connecting frame (81) is fixedly connected to the right side of the frame (62). Guide rods (82) are slidably installed on both the front and rear sides of the right side of the connecting frame (81). A short block (83) is welded to the left end of the guide rod (82). A lead screw (84) is movably installed through the top of the short block (83). Nuts (85) are threaded on both ends of the lead screw (84). A U-shaped block (86) is welded to the bottom end of the lead screw (84). A scraper (87) is fixedly connected to the inner cavity of the U-shaped block (86) by screws.

6. The adjustable-table manual screen printing machine according to claim 1, characterized in that: The counterweight mechanism (9) includes a diagonal bar (91), the right end of which is fixedly connected to the left side of the frame (62), a circular plate (92) is welded to the left end of the diagonal bar (91), a counterweight block (93) is slidably sleeved on the surface of the diagonal bar (91), a spring (94) is movably sleeved on the surface of the left end of the diagonal bar (91), the left end of the spring (94) is welded to the right side of the circular plate (92), a spring (95) is movably sleeved on the surface of the right end of the diagonal bar (91), and the right end of the spring (95) is fixedly connected to the surface of the right end of the diagonal bar (91).

7. A manual screen printing machine with an adjustable table as described in claim 5, characterized in that: A handle (10) is welded to the right end of the guide rod (82), and a slider (11) is welded to the surface of the left end of the guide rod (82). Guide holes that are compatible with the slider (11) are opened on both the front and back of the connecting frame (81).

Images